How do you register a Win32 COM DLL file in WiX 3?

Question

I found an example on registering DLLs, Registering an Assembly for COM Interop in a MSI file with the Windows Installer XML toolset., and WiX complains about the \

Answer 1

It isn't just me that will rant and rave about how SelfReg is evil. The MSI SDK gives you a list of seven reasons why not to use SelfReg.

Example:

Ultimately, Troy's answer is all correct.